What airlines fly to Ontario?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Ontario from Bismarck according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 3 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Bismarck to Ontario?

United Airlines and Delta are the most popular carriers operating from Bismarck to Ontario

When did momondo last update prices for flights from Bismarck Airport to Ontario Airport?

Prices for flights from Bismarck Airport to Ontario Airport refresh daily.

How many operators does momondo search for flights from Bismarck Airport to Ontario Airport?

As of September 2025, there is 1 operator available to choose from for flights from Bismarck Airport to Ontario Airport.

How old do you have to be to fly from Bismarck Airport to Ontario Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$331 Cheap Flights from Bismarck to Ontario (BIS-ONT) in 2025

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Find the cheapest flights from Bismarck to Los Angeles (BIS-ONT)

Round-trip

One-way

Cheap round-trip flights

6:19 am - 1:54 pmBIS-ONT

9h 35m1 stop

12:47 pm - 10:42 pmONT-BIS

7h 55m1 stop

$331American Airlines

Find Deal

mié., sep. 24 - mié., oct. 8

1:56 pm - 10:51 pmBIS-ONT

10h 55m2 stops

1:33 pm - 8:51 pmONT-BIS

5h 18m1 stop

$354United Airlines

Find Deal

mar., nov. 4 - mar., nov. 18

1:56 pm - 10:51 pmBIS-ONT

10h 55m2 stops

1:40 pm - 11:39 pmONT-BIS

7h 59m2 stops

$359United Airlines

Find Deal

mar., nov. 4 - mar., nov. 18

11:35 am - 8:33 pmBIS-ONT

10h 58m2 stops

5:05 am - 1:00 pmONT-BIS

5h 55m1 stop

$379United Airlines

Find Deal

mié., sep. 24 - mié., oct. 8

1:58 pm - 5:23 pmBIS-ONT

5h 25m1 stop

6:27 pm - 4:29 pmONT-BIS

20h 02m1 stop

$442United Airlines

Find Deal

lun., oct. 6 - vie., oct. 10

11:35 am - 8:33 pmBIS-ONT

10h 58m2 stops

9:36 am - 11:39 pmONT-BIS

12h 03m2 stops

$447United Airlines

Find Deal

mié., sep. 24 - mié., oct. 8

12:20 pm - 9:20 pmBIS-ONT

11h 00m2 stops

6:00 am - 7:37 pmONT-BIS

11h 37m2 stops

$609Delta

Find Deal

sáb., oct. 11 - sáb., oct. 18

1:23 pm - 10:36 pmBIS-ONT

11h 13m2 stops

6:00 am - 7:48 pmONT-BIS

11h 48m2 stops

$619Delta

Find Deal

jue., dic. 25 - jue., ene. 1

12:20 pm - 9:20 pmBIS-ONT

11h 00m2 stops

6:00 am - 7:37 pmONT-BIS

11h 37m2 stops

$649Delta

Find Deal

sáb., oct. 11 - sáb., oct. 18

6:00 am - 9:52 pmBIS-ONT

17h 52m2 stops

4:45 pm - 2:09 pmONT-BIS

19h 24m2 stops

$910American Airlines

Find Deal

lun., dic. 22 - lun., dic. 29

United Airlines flights from Bismarck to Ontario

Our best United Airlines deals on Bismarck to Ontario flight tickets

United Airlines

Nov 4

BIS1:56 pmBismarck

10h 55m

2 stops

ONT10:51 pmOntario

Nov 18

ONT1:33 pmOntario

5h 18m

1 stop

BIS8:51 pmBismarck

$354

Find similar

United Airlines

Nov 4

BIS1:56 pmBismarck

10h 55m

2 stops

ONT10:51 pmOntario

Nov 18

ONT1:40 pmOntario

7h 59m

2 stops

BIS11:39 pmBismarck

$359

Find similar

United Airlines

Sep 24

BIS11:35 amBismarck

10h 58m

2 stops

ONT8:33 pmOntario

Oct 8

ONT5:05 amOntario

5h 55m

1 stop

BIS1:00 pmBismarck

$379

Find similar

Delta flights from Bismarck to Ontario

Our best Delta deals on Bismarck to Ontario flight tickets

Delta

Oct 11

BIS12:20 pmBismarck

11h 00m

2 stops

ONT9:20 pmOntario

Oct 18

ONT6:00 amOntario

11h 37m

2 stops

BIS7:37 pmBismarck

$609

Find similar

Delta

Dec 25

BIS1:23 pmBismarck

11h 13m

2 stops

ONT10:36 pmOntario

Jan 1

ONT6:00 amOntario

11h 48m

2 stops

BIS7:48 pmBismarck

$619

Find similar

Delta

Oct 11

BIS12:20 pmBismarck

11h 00m

2 stops

ONT9:20 pmOntario

Oct 18

ONT6:00 amOntario

11h 37m

2 stops

BIS7:37 pmBismarck

$649

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BismarckOntario

BIS - ONT

BISONT

Bismarck

mié. 9/24

6:19 am-1:54 pm

1 stop9h 35m

Ontario

mié. 10/8

12:47 pm-10:42 pm

1 stop7h 55m

$331

BismarckOntario

BIS - ONT

BISONT

Bismarck

mar. 11/4

1:56 pm-10:51 pm

2 stops10h 55m

Ontario

mar. 11/18

1:33 pm-8:51 pm

1 stop5h 18m

$354

BismarckOntario

BIS - ONT

BISONT

Bismarck

mar. 11/4

1:56 pm-10:51 pm

2 stops10h 55m

Ontario

mar. 11/18

1:40 pm-11:39 pm

2 stops7h 59m

$359

BismarckOntario

BIS - ONT

BISONT

Bismarck

mié. 9/24

11:35 am-8:33 pm

2 stops10h 58m

Ontario

mié. 10/8

5:05 am-1:00 pm

1 stop5h 55m

$379

BismarckOntario

BIS - ONT

BISONT

Bismarck

lun. 10/6

1:58 pm-5:23 pm

1 stop5h 25m

Ontario

vie. 10/10

6:27 pm-4:29 pm

1 stop20h 02m

$442

BismarckOntario

BIS - ONT

BISONT

Bismarck

mié. 9/24

11:35 am-8:33 pm

2 stops10h 58m

Ontario

mié. 10/8

9:36 am-11:39 pm

2 stops12h 03m

$447

BismarckOntario

BIS - ONT

BISONT

Bismarck

sáb. 10/11

12:20 pm-9:20 pm

2 stops11h 00m

Ontario

sáb. 10/18

6:00 am-7:37 pm

2 stops11h 37m

$609

BismarckOntario

BIS - ONT

BISONT

Bismarck

jue. 12/25

1:23 pm-10:36 pm

2 stops11h 13m

Ontario

jue. 1/1

6:00 am-7:48 pm

2 stops11h 48m

$619

BismarckOntario

BIS - ONT

BISONT

Bismarck

sáb. 10/11

12:20 pm-9:20 pm

2 stops11h 00m

Ontario

sáb. 10/18

6:00 am-7:37 pm

2 stops11h 37m

$649

BismarckOntario

BIS - ONT

BISONT

Bismarck

lun. 12/22

6:00 am-9:52 pm

2 stops17h 52m

Ontario

lun. 12/29

4:45 pm-2:09 pm

2 stops19h 24m

$910

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Bismarck to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $390. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Bismarck to Ontario for around $570.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Bismarck to Ontario when you can find flight prices for as low as $420. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $656 on average. Flights to Ontario from Bismarck in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Bismarck to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Bismarck to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Bismarck to Ontario (BIS to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bismarck to Ontario

Direct flights	None

There are no direct flights from Bismarck to Ontario. There are no popular flight routes from Bismarck to Ontario.

Search flight deals

How far is Bismarck to Ontario by plane?
Bismarck and Ontario are 1243.9 mi apart from one another. 5h 25m is a normal flight duration for this route.
When did momondo last update prices for flights from Bismarck Airport to Ontario Airport?
Prices for flights from Bismarck Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Bismarck Airport to Ontario Airport?
As of September 2025, there is 1 operator available to choose from for flights from Bismarck Airport to Ontario Airport.
How old do you have to be to fly from Bismarck Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bismarck Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Bismarck to Ontario?
Based on momondo bookings for flights between Bismarck and Ontario, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Bismarck to Ontario

Compare and see reviews for airlines that fly from Bismarck to Ontario with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $348	Free Cancellation	Rating 7.4 8,944 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Bismarck to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Bismarck.

Can I find flights from Bismarck to Ontario with flexible booking policies on momondo?

All flight searches from Bismarck to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bismarck to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Bismarck.

I’m not ready to book a flight from Bismarck to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Bismarck to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.